1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/rust/net2/src/sys/wasi/impls.rs b/third_party/rust/net2/src/sys/wasi/impls.rs
new file mode 100644
index 0000000000..eef8094b60
--- /dev/null
+++ b/third_party/rust/net2/src/sys/wasi/impls.rs
@@ -0,0 +1,33 @@
+use std::os::wasi::io::{FromRawFd, AsRawFd};
+
+use {TcpBuilder, UdpBuilder, FromInner, AsInner};
+use socket::Socket;
+use sys::{self, c::__wasi_fd_t};
+
+impl FromRawFd for TcpBuilder {
+    unsafe fn from_raw_fd(fd: __wasi_fd_t) -> TcpBuilder {
+        let sock = sys::Socket::from_inner(fd);
+        TcpBuilder::from_inner(Socket::from_inner(sock))
+    }
+}
+
+impl AsRawFd for TcpBuilder {
+    fn as_raw_fd(&self) -> __wasi_fd_t {
+        // TODO: this unwrap() is very bad
+        self.as_inner().borrow().as_ref().unwrap().as_inner().raw() as __wasi_fd_t
+    }
+}
+
+impl FromRawFd for UdpBuilder {
+    unsafe fn from_raw_fd(fd: __wasi_fd_t) -> UdpBuilder {
+        let sock = sys::Socket::from_inner(fd);
+        UdpBuilder::from_inner(Socket::from_inner(sock))
+    }
+}
+
+impl AsRawFd for UdpBuilder {
+    fn as_raw_fd(&self) -> __wasi_fd_t {
+        // TODO: this unwrap() is very bad
+        self.as_inner().borrow().as_ref().unwrap().as_inner().raw() as __wasi_fd_t
+    }
+}